| Value | Category | Cases | |
|---|---|---|---|
| 0 | 617 | 
                                    
                                    80.9%
                                 | |
| 1 | 54 | 
                                    
                                    7.1%
                                 | |
| 2 | 45 | 
                                    
                                    5.9%
                                 | |
| 3 | 29 | 
                                    
                                    3.8%
                                 | |
| 4 | 8 | 
                                    
                                    1%
                                 | |
| 5 | 3 | 
                                    
                                    0.4%
                                 | |
| 6 | 7 | 
                                    
                                    0.9%
                                 | |
| Sysmiss | 197 |